import doParallelLimit from './internal/doParallelLimit';
import concat from './internal/concat';

/**
 * The same as [`concat`]{@link module:Collections.concat} but runs a maximum of `limit` async operations at a time.
 *
 * @name concatLimit
 * @static
 * @memberOf module:Collections
 * @method
 * @see [async.concat]{@link module:Collections.concat}
 * @category Collection
 * @param {Array|Iterable|Object} coll - A collection to iterate over.
 * @param {number} limit - The maximum number of async operations at a time.
 * @param {AsyncFunction} iteratee - A function to apply to each item in `coll`,
 * which should use an array as its result. Invoked with (item, callback).
 * @param {Function} [callback(err)] - A callback which is called after all the
 * `iteratee` functions have finished, or an error occurs. Results is an array
 * containing the concatenated results of the `iteratee` function. Invoked with
 * (err, results).
 */
export default doParallelLimit(concat);